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quaternary 音標拼音: [kw'ɑtɚn ,ɛri] a. 由四要素形成的 由四要素形成的 quaternary四進制的 quaternary四進 四元 quaternary adj 1: consisting of or especially arranged in sets of four; " quaternate leaves"; " a quaternary compound" [ synonym: { quaternate}, { quaternary}] 2: coming next after the third and just before the fifth in position or time or degree or magnitude; " the quaternary period of geologic time extends from the end of the tertiary period to the present" [ synonym: { fourth}, { 4th}, { quaternary}] n 1: last 2 million years [ synonym: { Quaternary}, { Quaternary period}, { Age of Man}] 2: the cardinal number that is the sum of three and one [ synonym: { four}, { 4}, { IV}, { tetrad}, { quatern}, { quaternion}, { quaternary}, { quaternity}, { quartet}, { quadruplet}, { foursome}, { Little Joe}] Quaternary \ Qua* ter" na* ry\, n. [ L. numerus quaternarius: cf. F. quaternaire.] 1. The number four. -- Boyle. [ 1913 Webster] 2. ( Geol.) The Quaternary age, era, or formation. See the Chart of { Geology}. [ 1913 Webster]
Quaternary \ Qua* ter" na* ry\, a. [ L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See { Four}.] [ 1913 Webster] 1. Consisting of four; by fours, or in sets of four. [ 1913 Webster] 2. ( Geol.) Later than, or subsequent to, the Tertiary; Post- tertiary; as, the Quaternary age, or Age of man. [ 1913 Webster] 41 Moby Thesaurus words for " quaternary": Little Joe, biquadrate, biquadratic, four, four- legged, four- part diaphony, four- rayed, foursome, foursquare, quad, quadrangle, quadrature, quadrennium, quadric, quadrilateral, quadrille, quadrinomial, quadrivalent, quadruped, quadruplet, quartet, quartic, quartile, quatern, quaternion, quaternity, quatrefoil, rectangle, square, square dance, squaring, tetractinal, tetrad, tetragon, tetragram, tetragrammaton, tetrahedron, tetralogy, tetraphony, tetrapody, tetravalent
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